The Development of Computers

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Development of computer
What is computer? According to Wikipedia, computer is a device that can be programmed to do a set of arithmetic or logical operations automatically. It is started with the basic device to perform a mathematic problem which is known as Abacus. Computer has been developing year by year and we have seen a lot of generation or development of computer nowadays. The first generation of computer starting from years 1940-1950, this can be called as the first electronic computer. During this time, the computers were using vacuum tubes and it is more complex and huge. The vacuum tube is designed by Lee De Forest. The vacuum tube is a device that is used to amplify the signal by controlling the movement of electrons in an evacuated space. The first general purpose electronic computer was known as ENIAC or Electronic Numerical Integrator and Computer. The first computer was ENIAC machine by John W. Mauchly and J. Presper Eckert at the University of Pennsylvania. This ENIAC used 10 decimal digits instead of one binary like the other computer. This ENIAC used more than 2000 vacuum tubes and took up about 167 m square of space. ENIAC is generally known as the first high speed electronic digital computer and were productively used during the era.
The second generation of computer starting from 1950-1960 thanks to person who inverted a transistor William Shockley, John Bardeen, and Walter Brattain of Bell Labs. In 1950 two devices were invented in order to improve the development of computer in this era. The first of this two was transistor. The transistor was invented to overcome the vacuum tube in computers. The transistor consume less power and less heat produced and consume less space compared with computer using vacu...

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... Odyssey. HAL performed the entire real life fifth generation computer. Many advances in the science of computer design and technology are coming together to enable the creation of fifth-generation computers. Two such engineering advances are parallel processing, which replaces von Neumann's single central processing unit design with a system harnessing the power of many CPUs to work as one. Another advance is superconductor technology, which allows the flow of electricity with little or no resistance, greatly improving the speed of information flow. Computers today have some attributes of fifth generation computers. For example, expert systems assist doctors in making diagnoses by applying the problem-solving steps a doctor might use in assessing a patient's needs. It will take several more years of development before expert systems are in widespread use.

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